The calculation and analysis of the impact load and kinetic energy sustained by these parts show that white iron parts with a certain minimum impact strength can be used satisfactorily.

对工件所受冲击动能进行计算及分析表明，白口铸铁件只要有一定最低的冲击韧性，就可以满意地达到使用要求。

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Multifunctional reactors are designed for various objectives such as high volumetric yield, minimum by product production, less energy consumption and minimal impact on the environment.

多功能反应器可按不同的目的进行设计，诸如高产品产率，低副反应、低能耗和减少环境污染等。

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